Individualized surgical strategy for the reduction of stroke risk in patients undergoing coronary artery bypass...

Area of Science:

• Cardiovascular Surgery
• Neurology
• Vascular Medicine

Background:

• Coronary artery bypass grafting (CABG) carries a risk of perioperative stroke.
• Systematic screening of the ascending aorta and internal carotid arteries can identify patients at higher neurologic risk.
• Individualizing surgical strategy based on vascular status is crucial for patient outcomes.

Purpose of the Study:

• To evaluate a protocol for systematic screening of the ascending aorta and internal carotid arteries.
• To assess the efficacy of individualized surgical strategies in reducing stroke incidence during CABG.
• To determine the impact of risk stratification on perioperative stroke rates.

Main Methods:

• A cohort of 2,326 patients undergoing CABG were screened pre- and intraoperatively.
• Patients were categorized into low, moderate, and high neurologic risk groups based on screening results.
• High-risk patients received dedicated surgical techniques, prioritizing neurologic risk reduction over complete revascularization.

Main Results:

• The incidence of perioperative stroke was similar across all risk groups (1.1-1.3%).
• No significant difference in stroke rates was observed between high-risk and other groups.
• Angina recurrence was significantly higher in the high-risk group compared to lower-risk groups.

Conclusions:

• The implemented screening and individualized surgical strategy effectively achieved a low perioperative stroke rate in high-risk CABG patients.
• The trade-off between reduced neurologic risk and potential for increased angina recurrence requires further investigation.
• This strategy demonstrates a potential benefit for managing neurologic complications in complex cardiac surgery.